20474321

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 3653167

約数列:

[1, 7, 43, 251, 271, 301, 1757, 1897, 10793, 11653, 68021, 75551, 81571, 476147, 2924903, 20474321]

約数ペア:

[(1, 20474321), (7, 2924903), (43, 476147), (251, 81571), (271, 75551), (301, 68021), (1757, 11653), (1897, 10793)]